SRAM GX 1x12 Mountain bike derailleur bent- Easy Fix

If your mountain bike is experiencing shifting problems, chain rub on the tire or spokes rubbing on the derailleur, your derailleur hanger is probably bent. You can try to bend it back, but it is best to replace it. This video shows how to replace the derailleur hanger on a SRAM GX derailleur to straighten it out. It is really no more difficult than removing the back wheel and derailleur.